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Completed No phase listed Observational

Genetic Study of Patients and Families With a History of Colorectal Cancer

ClinicalTrials.gov ID: NCT00003648

Public ClinicalTrials.gov record NCT00003648. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 3, 2026, 12:01 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

The Familial Colorectal Neoplasia Collaborative Group

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

RATIONALE: Determination of genetic markers for colorectal cancer may help doctors to identify patients who are at risk. PURPOSE: Genetic testing study of patients and families with a history of colorectal cancer to identify patients who are at risk of developing colorectal cancer.

Study identification

NCT ID
NCT00003648
Recruitment status
Completed
Study type
Observational
Phase
Not listed
Enrollment
1,500 participants

Conditions and interventions

Eligibility (public fields only)

Age range
Not listed
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jun 30, 1998
Primary completion
Apr 30, 2006
Completion
Apr 30, 2006
Last update posted
Jul 3, 2016

1998 – 2006

United States locations

U.S. sites
11
U.S. states
7
U.S. cities
11
Facility City State ZIP Site status
CCOP - Scottsdale Oncology Program Scottsdale Arizona 85259-5404
CCOP - Carle Cancer Center Urbana Illinois 61801
CCOP - Cedar Rapids Oncology Project Cedar Rapids Iowa 52403-1206
CCOP - Iowa Oncology Research Association Des Moines Iowa 50309-1016
Siouxland Hematology-Oncology Sioux City Iowa 51101-1733
Mayo Clinic Cancer Center Rochester Minnesota 55905
CentraCare Clinic Saint Cloud Minnesota 56303
CCOP - Missouri Valley Cancer Consortium Omaha Nebraska 68131
Medcenter One Health System Bismarck North Dakota 58501
Rapid City Regional Hospital Rapid City South Dakota 57709
CCOP - Sioux Community Cancer Consortium Sioux Falls South Dakota 57104

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 1 non-U.S. site.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT00003648, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 3, 2016 · Synced Sep 3, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT00003648 live on ClinicalTrials.gov.

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